Head immobilization device
CA 2222188 A1 · Owner: Caron, Sylvain · Inventors: Caron, Sylvain
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A foldable head immobilization device for immobilizing the head of a person relatively to a supporting surface is described herein. The head immobilization device is made of a flat blank of corrugated material and includes a central section and a pair of lateral sections. The central section may be folded to form a generally semi-cylindrical head receiving portion while, each lateral section may be folded to define a generally triangular supporting portion. When in use, the width of the head receiving portion is adjusted by lateral displacement of the lateral supporting portions.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed January 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 30, 2020.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.